MICROSTRUCTURES FOR HEAT TRANSFER IN STIRLING MICRO-REFRIGERATORS

Award Information
Agency:
Department of Defense
Branch
Air Force
Amount:
$667,414.00
Award Year:
1993
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
17946
Agency Tracking Number:
17946
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
6 Byard Street, Athens, OH, 45701
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Lyn Bowman
(614) 594-2221
Business Contact:
() -
Research Institute:
n/a
Abstract
SUNPOWER PROPOSES TO DESIGN MICROSTRUCTURES FOR HEAT TRANSFER IN NOVEL STIRLING MICROREFRIGERATORS INSIDE MULTI-CHIP MODULE PACKAGES FOR REMOVING HEAT AT LOW TEMPERATURES FROM WAFER SCALE INTEGRATED CIRCUITS IN SPACE SYSTEMS. THE MICROREFRIGERATOR EXPLOITS THE MATERIAL PROPERTIES, MECHANICAL DESIGNS, TINY DIMENSIONS, AND BATCH FABRICATION PROCESSES OF SILICON MICROMACHINING. IF FEASIBLE, THE MICROREFRIGERATOR WILL ENABLE ELECTRONIC DEVICES BONDED DIRECTLY TO THE SILICON COLD PLATE, OR FABRICATED WITHIN IT, TO BE OPERATED AT TEMPERATURES FROM 250K DOWN TO 60K OR LESS, DEPENDING UPON THE APPLICATION-SPECIFIC DESIGN. ONE PRELIMINARY 1CM3 MICROREFRIGERATOR DESIGN PREDICTS 2.5W OF HEAT LIFTING CAPACITY FROM 225K TO 350K WITH MECHANICAL INPUT POWER OF 2.5W. THE INERTIA OF THE VIBRATING ACTUATOR IN ONLY 10 TO THE -4G. FOR MXN GREATER HEAT LOADS, MXN MICROREFRIGERATORS CAN BE FABRICATED AS A MECHANICALLY INTEGRATED MXN CM2 ARRAY. THE MICROSTRUCTURES TO BE DESIGNED DURING PHASE I INCLUDE HEAT EXCHANGERS, MICRO-HEATPIPES, AND MICRO-TUBES FOR AXIAL THERMAL CONDUCTION ENHANCEMENT. EFFECTS OF THE MICROSTRUCTURES ON THE THERMAL PERFORMANCE OF MICROREFRIGERATORS WILL BE DETERMINED, AND A FEASIBLE HEAT TRANSFER SYSTEM SELECTED FOR FABRICATION IN PHASE II.

* information listed above is at the time of submission.

Agency Micro-sites


SBA logo

Department of Agriculture logo

Department of Commerce logo

Department of Defense logo

Department of Education logo

Department of Energy logo

Department of Health and Human Services logo

Department of Homeland Security logo

Department of Transportation logo

Enviromental Protection Agency logo

National Aeronautics and Space Administration logo

National Science Foundation logo
US Flag An Official Website of the United States Government